A man—I'll call him Robert—wrote to me recently telling me a horror story about his ex-wife. To say she acted uncharitably during and after their separation and divorce would be an understatement. Of course, I am only hearing one side of the story, but his question boiled down to this: “Am I required to forgive her, even though she is not sorry for anything she has done, and then to forget about what she has done because God 'forgets' when he forgives and calls us to do the same? I must...